Müllerian process
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Müllerian protractor — the muscle inserted on the Müllerian process, originating on the neurocranium in most Siluriformes with the elastic spring apparatus, or on the expaxial musculature near the dorsal fin in Synodontis catfishes. It pulls the process forward,… … Dictionary of ichthyology
Müllerian — adjective Etymology: Fritz Müller died 1897 German zoologist Date: 1898 of, relating to, or being mimicry that exists between two or more inedible or dangerous species (as of butterflies) and that is considered in evolutionary theory to be a… … New Collegiate Dictionary
elastic spring mechanism — a structure consisting of thin spring like modified portions of the parapophysis of the 4th vertebrae (Müllerian process) which are attached to the skull by muscles and to the gas bladder. When the muscles contract and relax, the resultant… … Dictionary of ichthyology
Mimicry — For other uses, see Mimic (disambiguation). Plate from Henry Walter Bates (1862) illustrating Batesian mimicry between Dismorphia species (top row, third row) and various Ithomiini (Nymphalidae, second row, bottom row) In … Wikipedia
mimicry — /mim ik ree/, n., pl. mimicries. 1. the act, practice, or art of mimicking. 2. Biol. the close external resemblance of an organism, the mimic, to some different organism, the model, such that the mimic benefits from the mistaken identity, as… … Universalium
Complete androgen insensitivity syndrome — Classification and external resources AIS results when the function of the androgen receptor (AR) is impaired. The AR protein (pictured) mediates the effects of androgens in the human body. ICD 10 … Wikipedia
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
Polymorphism (biology) — Light morph Jaguar (typical) Dark morph or melanistic Jaguar (about … Wikipedia
Development of the reproductive system — The development of the reproductive system is a part of prenatal development, and concerns the sex organs. It is a part of the stages of sexual differentiation. Because its location to a large extent overlaps the urinary system, the development… … Wikipedia
Development of the urinary and reproductive organs — The development of the urinary and reproductive organs as a part of the prenatal development, concerns the urinary system and sex organs. The latter is a part of the stages of sexual differentiation. The urinary and reproductive organs are… … Wikipedia
